Coloured solutions to prevent mistakes. Certificate of analysis to be downloaded free of charge at www.labbox.com. Certificates traceable to SRM from NIST. Variation table of pH / temperature on the label. Use within 12-15 months of opening
reference: PHBS-0A9-1K0, type: pH 9,21 ± 0,01 (20 ºC), package: 1000 ml, description: colourless, pcs/pack: 1